Question about 1987 Buick Somerset
On the dash is a button that says gages hit that a few times it will tell you.
Posted on Apr 09, 2009
Follow the top radiator hose to the engine and you will find it...the hose has to come off and then the housing has to come off and you put in the new thermostat
Posted on Jan 17, 2009
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Mar 12, 2013 | 1987 Buick Somerset
Nov 11, 2012 | 1987 Buick Somerset
If you have had the electronic engine control tested for fault codes and none are present then do the following to correct this problem.
Buy a can of throttle valve cleaner (it is made by CRC) from the local auto parts store, NEVER USE CARB CLEANING SPRAY, IT DESTROYS THE ANTI-STICK TEFLON COATING, spray it into the air intake through the throttle body of the engine until you have used about half the can, you will need to hold the idle up while you do this, it will try to stall, after this shut the engine down and disconnect the Negative (-) battery cable for 5 minutes. The intake is now clean, if you continue to have the idle speed control problems you may need to seek the help of a professional.
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